public void OnClientDisconnected(Client client, Exception exception)
{
try
{
ClientsLock.AcquireWriterLock(15 * 1000);
Clients.Remove(client.Id);
}
catch (ApplicationException applicationException)
{
Console.WriteLine("=============================================================================");
Console.WriteLine("NetServerService::SendPacketsThreadFunc was not able to lock in 15 sec");
Console.WriteLine("=============================================================================");
}
finally
{
ClientsLock.ReleaseWriterLock();
}
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.Connection, Action = Action.Stop
});
}
private void ListenAppEvents()
{
while (Running)
{
AppEvent appEvent = AppNetChannel.TakeFromApp();
Target target = appEvent.Target;
Action action = appEvent.Action;
Subject subject = appEvent.Subject;
object data = appEvent.Data;
switch (target)
{
case Target.Server:
{
switch (subject)
{
case Subject.Connection:
{
if (action == Action.ListAvailable)
{
List <Client> clients = GetClients();
appEvent.Data = clients;
AppNetChannel.SubmitToApp(appEvent);
}
break;
}
case Subject.Interaction:
{
if (action == Action.Start)
{
Client client = GetClientById((int)data);
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.Interaction, Action = Action.Start
});
}
break;
}
}
break;
}
case Target.Client:
{
ClientAppEvent clientAppEvent = (ClientAppEvent)appEvent;
Client client = clientAppEvent.Client;
switch (subject)
{
case Subject.FileSystem:
{
if (action == Action.Start)
{
if (data == null)
{
FetchFileSystemDrives(client);
}
else
{
FetchDirEntries(client, (string)data);
}
}
break;
}
case Subject.Information:
{
if (action == Action.Start)
{
FetchSystemInfo(client);
}
break;
}
case Subject.Process:
{
if (action == Action.Start)
{
FetchProcessList(client);
}
break;
}
case Subject.Shell:
{
if (action == Action.Start)
{
SendPacket(client, new PacketShell());
}
else if (action == Action.Push)
{
SendPacket(client, new PacketShell()
{
Command = (string)data
});
}
break;
}
case Subject.Desktop:
{
if (action == Action.Start)
{
SendPacket(client, new PacketDesktop
{
DesktopAction = DesktopAction.Start
});
}
else if (action == Action.Stop)
{
SendPacket(client, new PacketDesktop
{
DesktopAction = DesktopAction.Stop
});
}
break;
}
}
break;
}
}
}
}
public void OnPacketReceived(Client client, Packet packet)
{
Trace.WriteLine("Server::OnPacketReceived()");
switch (packet.PacketType)
{
case PacketType.Presentation:
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.Connection, Action = Action.Started
});
break;
case PacketType.Information:
{
PacketSystemInformation packetInfo = (PacketSystemInformation)packet;
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.Information,
Action = Action.Fetched,
Data = packetInfo.SystemInfo
});
break;
}
case PacketType.FileSystem:
{
PacketFileSystem packetFs = (PacketFileSystem)packet;
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.FileSystem,
Action = Action.Fetched,
Data = packetFs
});
break;
}
case PacketType.Process:
{
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.Process,
Action = Action.Fetched,
Data = ((PacketProcess)packet).Processes
});
break;
}
case PacketType.Shell:
{
Dictionary <string, string> data = new Dictionary <string, string>();
data["command"] = ((PacketShell)packet).Command;
data["output"] = ((PacketShell)packet).Output;
if (((PacketShell)packet).Action == ServiceAction.Stop)
{
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.Shell,
Action = Action.Stop
});
}
else
{
AppNetChannel.SubmitToApp(new ClientAppEvent(client)
{
Subject = Subject.Shell,
Action = Action.Fetched,
Data = data
});
}
break;
}
case PacketType.Desktop:
{
ClientAppEvent clientEvent =
new ClientAppEvent(client)
{
Subject = Subject.Desktop
};
if (((PacketDesktop)packet).DesktopAction == DesktopAction.Push)
{
clientEvent.Action = Action.Fetched;
clientEvent.Data = ((PacketDesktop)packet).ImageData;
}
else if (clientEvent.Action == Action.Fetched)
{
clientEvent.Action = Action.Stop;
}
AppNetChannel.SubmitToApp(clientEvent);
break;
}
default:
Trace.WriteLine("Unhandled packet type");
break;
}
}
